<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
</head>
<body>
    <h1>登录</h1>
    <h2>你好 {{username}}</h2>
    <form action="/login" method="post">
        <input type="text" name="username" placeholder="username">
        <br>
        <input type="text" name="password" placeholder="password">
        <br>
        <button type="submit">登录</button>
    </form>
    <p>{{result}}</p>
</body>
</html>